Home / 315,827.44-473,986.82-220,437.93

Finding the Fourth Proportional to 315,827.44, 473,986.82 and 220,437.93

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Solution

The fourth proportional to 315,827.44, 473,986.82 and 220,437.93 is: 330,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,827.44 : 473,986.82 = 220,437.93 : x
  2. Step 2: Convert to fraction form
    315,827.44/473,986.82 = 220,437.93/x
  3. Step 3: Cross multiply
    315,827.44x = 473,986.82 × 220,437.93
  4. Step 4: Simplify right side
    315,827.44x = 104,484,673,448.08
  5. Step 5: Solve for x
    x = 104,484,673,448.08/315,827.44
  6. Step 6: Final answer
    x = 330,828.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.